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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
12.2

Transcribed Image Text:Reaction
E. (kJ)
70
128
285
d)
Which reaction has the smallest half-life?
e)
Which reaction has the largest rate?
Which reaction has the smallest rate?
Expert Solution
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Step 1
Chemical kinetics is the branch of chemistry that mainly deals with the rate of reaction and change in the concentration of reactant and product molecules with time. The rate of reaction expresses by the rate law which states that the rate of reaction is directly proportional to the active concentration of reactant molecules.
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Step 2
Activation energy is the minimum energy that is needed to convert reactant to product molecules. Thus for a chemical reaction to be occurred, the correct orientation of molecule and activation energy is needed.
The half-life of a reaction indicates the time in which the half of the reactant changes to product of its original amount.
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